'\" te
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.TH SASL_AUTHORIZE_T 3SASL "Oct 27, 2003"
.SH NAME
sasl_authorize_t \- the SASL authorization callback
.SH SYNOPSIS
.LP
.nf
\fBcc\fR [ \fIflag\fR ... ] \fIfile\fR ... \fB-lsasl\fR   [ \fIlibrary\fR ... ]
#include <sasl/sasl.h>

\fBint\fR \fBsasl_authorize_t\fR(\fBsasl_conn_t *\fR\fIconn\fR, \fBconst char *\fR\fIrequested_user\fR,
     \fBunsigned\fR \fIalen\fR, \fBconst char*\fR \fIauth_identity\fR, \fBunsigned\fR \fIrlen\fR,
     \fBconst char *\fR\fIdef_realm\fR, \fBunsigned\fR \fIurlen\fR, \fBstruct propctx *\fR\fIpropctx\fR);
.fi

.SH DESCRIPTION
.sp
.LP
\fBsasl_authorize_t()\fR is a typedef function prototype that defines the
interface associated with the \fBSASL_CB_PROXY_POLICY\fR callback.
.sp
.LP
Use the \fBsasl_authorize_t()\fR interface to check whether the authorized user
\fIauth_identity\fR can act as the user \fIrequested_user\fR. For example, the
user \fBroot\fR may want to authenticate with \fBroot\fR's credentials but as
the user \fBtmartin\fR, with all of \fBtmartin\fR's rights, not \fBroot\fR's. A
server application should be very careful when it determines which users may
proxy as other users.
.SH PARAMETERS
.sp
.ne 2
.na
\fB\fIconn\fR\fR
.ad
.RS 18n
The SASL connection context.
.RE

.sp
.ne 2
.na
\fB\fIrequested_user\fR\fR
.ad
.RS 18n
The identity or username to authorize. \fIrequested_user\fR is null-terminated.
.RE

.sp
.ne 2
.na
\fB\fIrlen\fR\fR
.ad
.RS 18n
The length of \fIrequested_user\fR.
.RE

.sp
.ne 2
.na
\fB\fIauth_identity\fR\fR
.ad
.RS 18n
The identity associated with the secret. \fIauth_identity\fR is
null-terminated.
.RE

.sp
.ne 2
.na
\fB\fIalen\fR\fR
.ad
.RS 18n
The length of \fIauth_identity\fR.
.RE

.sp
.ne 2
.na
\fB\fIdefault_realm\fR\fR
.ad
.RS 18n
The default user realm as passed to \fBsasl_server_new\fR(3SASL).
.RE

.sp
.ne 2
.na
\fB\fIulren\fR\fR
.ad
.RS 18n
The length of the default realm
.RE

.sp
.ne 2
.na
\fB\fIpropctx\fR\fR
.ad
.RS 18n
Auxiliary properties
.RE

.SH RETURN VALUES
.sp
.LP
Like other SASL callback functions, \fBsasl_authorize_t()\fR returns an integer
that corresponds to a SASL error code. See <\fBsasl.h\fR> for a complete list
of SASL error codes.
.SH ERRORS
.sp
.ne 2
.na
\fB\fBSASL_OK\fR\fR
.ad
.RS 11n
The call to \fBsasl_authorize_t()\fR was successful.
.RE

.sp
.LP
See \fBsasl_errors\fR(3SASL) for information on SASL error codes.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Evolving
_
MT-Level	MT-Safe
.TE

.SH SEE ALSO
.sp
.LP
.BR sasl_errors (3SASL),
.BR sasl_server_new (3SASL),
.BR attributes (7)
